<html> 
<body> 
<form method="GET" action="fact.crdm"> 
Alfa <input type ="edit" name="alfa"><br> 
Alfa(b) <input type ="edit" name="alfa"><br> 
Beta <input type ="edit" name="beta"><br> 
Gamma <input type ="edit" name="gamma"><br> 
<input type ="submit" name="boton"> 
</body> 
</html> 